The incident unfolded about 2:25 p.m. as a 28-year-old woman was leaving a restaurant in a shopping center at East Hammer and West lanes. According to police, a robber snatched the gold necklace from the victim's neck and fled in a vehicle. Witnesses got the license plate number and relayed it to police, who spotted the vehicle shortly after 3 p.m. a few blocks north, at West Lane and Knickerbocker Drive.

As other officers arrived, the occupants of the vehicle fled on foot but were apprehended, authorities said. Police arrested Brandon Dunigan, 18, on suspicion of robbery. Keanu Harris, 18, and a 16-year-old juvenile were arrested on suspicion of resisting arrest, police said.